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-rw-r--r--Documentation/devicetree/bindings/power/power_domain.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt
index 7dec508987c7..8f8b25a24b8f 100644
--- a/Documentation/devicetree/bindings/power/power_domain.txt
+++ b/Documentation/devicetree/bindings/power/power_domain.txt
@@ -114,18 +114,26 @@ Required properties:
- power-domains : A list of PM domain specifiers, as defined by bindings of
the power controller that is the PM domain provider.
+Optional properties:
+ - power-domain-names : A list of power domain name strings sorted in the same
+ order as the power-domains property. Consumers drivers will use
+ power-domain-names to match power domains with power-domains
+ specifiers.
+
Example:
leaky-device@12350000 {
compatible = "foo,i-leak-current";
reg = <0x12350000 0x1000>;
power-domains = <&power 0>;
+ power-domain-names = "io";
};
leaky-device@12351000 {
compatible = "foo,i-leak-current";
reg = <0x12351000 0x1000>;
power-domains = <&power 0>, <&power 1> ;
+ power-domain-names = "io", "clk";
};
The first example above defines a typical PM domain consumer device, which is